Bear Lake State Park Marina is where the Utah side gets practical. Boat launches, slips, fuel, picnic areas, and rental operators cluster here, making it the natural starting point if your Bear Lake plans involve more than looking at the water.
Even if you are not boating, the marina is worth a short stop for the view across the blue water to the east shore. In summer it can be hectic, with trailers backing down ramps and families sorting gear in the parking lots, but that energy is part of Bear Lake's season.